My favourite camera filters are undoubtedly the ones belonging to Hoya's 'Pro1 Digital' range - not because they necessarily represent the ultimate in quality - but because they strike a great balance between value and performance. There *are* better filters out there - but the difference between the Pro1 Digital and the high-end (£50+) ones is so marginal that it's really not worth paying the extra cash. Speaking of cost, the Hoya is available from amazon for just over £21 - or a little cheaper if you buy from eBay and are prepared to wait for delivery from the Far East. This particular Hoya is the 67mm version, which, as its name suggests, will only ft onto lenses with a 67mm thread.

The filter in Use
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The filter is clear, and a designated 'protector' model - it's designed to provide the user with peace of mind that the front of their lens won't get scratched during use. The filter screws onto the front of my Nikon lens very easily, and feels tight and secure once in place. The photos taken with the filter on my lens are IDENTICAL to the ones taken without it - and that's a real mark of the Hoya's performance - it doesn't impart any reflections, vignetting or any other nasty distortions on my photos.

Cleaning the filter is easy - just give it a rub with a soft, lint-free cloth and you're done - i've found that scratching the filter is more difficult than you'd expect, meaning that you'll certainly get a degree of longevity from this product.

Final Word
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Overall, the Hoya 67mm clear filter is a quality product - it feels well made and is difficult to damage. The only downside is the fact that if you're buying a protective filter you may as well buy a UV one rather than a clear one - in this way you'll not only protect your lens, but also reduce haze from your photos at the same time.